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LM3880 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM3880
Description  Power Sequencer
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3880 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Symbol
Parameter
Condition
Limits
Units
Min
Typ
Max
e
N_LILO
Output Noise voltage
(Note 12)
BW = 10 Hz to 100 kHz,
V
IN_LILO = 1.8V,
I
OUT = 200 mA,
V
IN_LDO = 3.6V
166
µV
RMS
ΔV
OUT_LILO
Dynamic load transient
response
Pulsed load 1 mA - 350 mA
di/dt = 350 mA/1µS
+/- 30
mV
ΔV
IN_LILO
Dynamic line transient
response on V
BATT
V
BATT = 3.1V to 3.7V
V
IN_LILO = VOUT_DCDC
tr, tf = 10 µS, I
OUT = 200 mA
+/-15
mV
Linear Regulator — LDO
Symbol
Parameter
Conditions
Typical Limit
Units
Min
Typ
Max
V
IN_LDO
LDO input voltage range
2.7
5.5
V
ΔV
OUT_LDO/
V
OUT_LDO
Output voltage
accuracy,
V
OUT_LDO
V
IN = 3.6V
I
OUT_LDO = 1 mA & 300 mA
2.744
2.8
2.856
V
2.94
3.0
3.06
ΔV
OUT_LDO/ΔmA
Load regulation(Note
15)
I
OUT_LDO = 1 mA & 300 mA
8
µV/mA
ΔV
IN_LDO/ΔVBATT
Line regulation(Note 14) V
IN_LDO = (VOUT_LDO(NOM) + 0.3V) to
5.5V
0.2
mV/V
V
DROP
Dropout voltage(Note 8) I
OUT = 300 mA
120
200
mV
I
Q
Quiescent current
V
en = 0.95V, IOUT = 0 mA
50
80
µA
I
SC-LDO
Short circuit current limit V
OUT = GND
350
mA
System Characteristic (Note 13)
PSRR
Power supply rejection
ratio
EN_DC = EN_LILO = GND
f = 1 kHz, I
OUT = 200 mA
85
dB
f = 10 kHz, I
OUT = 200 mA
Signal to V
IN_LDO = 3.6V
70
e
N_LDO
Output noise voltage
(Note 12)
BW = 10 Hz to 100 kHz,
V
IN_LDO = 3.6V
I
OUT = 200 mA
6.7
µV
RMS
ΔV
IN_LDO
Dynamic line transient
response
V
IN_LDO = 3.8V to 4.4V
tr, tf = 30 µs
I
OUT = 1 mA
+/-2
mV
ΔV
OUT_LDO
Dynamic load transient
response
Pulsed load 1 mA & 300 mA
tr, tf = 10 µs
+/-30
mV
7
www.national.com



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